Adjustable concave cover plate



FIG. 1 is a front perspective view of the adjustable concave cover plate in accordance with the present invention, showing the adjustable concave cover plate mounted on a concave grate; the environment comprising a concave grate is shown in dashed lines for illustrative purposes only.

FIG. 2 is a second front perspective view thereof;

FIG. 3 is a right side view thereof in conformance with the curvature of the environment;

FIG. 4 is a left side view thereof;

FIG. 5 is a right end view thereof;

FIG. 6 is left end view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken line lines are shown in the views for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design of an adjustable concave cover plate, as shown and described. 